July Weather in Ostrava, Czech Republic

Last updated: April 1, 2025

In July, Ostrava, Czech Republic experiences a dynamic climate characterized by warm temperatures and notable humidity. The maximum temperature can soar to a sizzling 35°C (95°F), while the average settles comfortably at 19°C (67°F). Nights can be brisk, with lows hitting around 7°C (44°F). This month also sees an average precipitation of 92 mm (3.6 in), spread across 14 rainy days, contributing to a relative humidity of 67%. Thus, while basking in summer warmth during the day, residents and visitors alike should be prepared for refreshing showers and cooler evenings, making July both lively and refreshing in this vibrant city.

July Temperature in Ostrava

In Ostrava, Czech Republic, July brings a warm embrace, with temperatures steadily rising from the chill of earlier months. The month kicks off with a minimum of 7°C (44°F), a noticeable increase compared to the frigid winter lows. As the days progress, the average temperature hovers around 19°C (67°F), offering pleasant conditions perfect for outdoor activities. The city experiences its maximum highs of 35°C (95°F), which can be quite striking, reflecting an upward trend from June's already warm climate. This peak warmth marks July as one of Ostrava's hottest months, contrasting sharply with the deep freezes of January, showcasing the dynamic range of the region's weather throughout the year.

July Weather in Ostrava: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Ostrava, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec313439485666676759514235
Data source: Temperature data for Ostrava generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

July Precipitation in Ostrava

In July, Ostrava experiences a notable uptick in precipitation, receiving an average of 92 mm (3.6 in) across 14 rainy days. This marks a slight increase from June, which recorded 86 mm (3.4 in), continuing a pattern of elevated rainfall as the region transitions into late summer. The trend reveals July as a month of moderately high precipitation, setting the stage for the even wetter August. This consistent rainfall, alongside the previous month's totals, suggests that summer in Ostrava is characterized by frequent rain showers, contributing to the lush greenery that defines the city's landscape during this vibrant season.

July Precipitation Trends in Ostrava

The chart displays monthly precipitation patterns in Ostrava, with values for each month alongside July's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec445752601018692112103844968
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Ostrava

In July, the humidity in Ostrava, Czech Republic reaches a relatively comfortable 67%, marking a notable decline from the higher figures seen earlier in the year. This decrease is part of a broader trend as humidity levels gradually lessen from the winter months, where they peak around 90% in January and 91% in December. As spring transitions into summer, the humidity dips, peaking at 70% in May and stabilizing in the warmer months. By August, humidity continues to drop to 64%, indicating a shift toward drier conditions that many enjoy during the summer season. This gradual decline not only makes July one of the more pleasant months in terms of moisture levels but also hints at the changing seasons, paving the way for the crisp air of autumn.

July Average Humidity in Ostrava

This chart illustrates the average monthly humidity levels in Ostrava, with July's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how July's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec90%87%83%76%70%71%67%64%67%83%90%91%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Ostrava

In July, Ostrava experiences the peak of summer with a UV Index of 8, indicating a very high risk of harm from unprotected sun exposure. This mirrors June's conditions, where the UV Index also reached 8, demanding that residents and visitors alike exercise caution outdoors with a reduced burn time of just 15 minutes. Observing the trends, we see a progressive increase from a low exposure in winter months to a marked intensification in late spring and early summer. As the year progresses, individuals should remain vigilant, especially during the height of summer, to safeguard their skin. For more information on the UV Index throughout the year in this vibrant city, check out Ostrava UV Index.

Maximum UV Index Levels in Ostrava for July

The chart shows the monthly maximum UV Index (UVI) for Ostrava in July, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Ostrava July UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

July Sunshine in Ostrava

In Ostrava, Czech Republic, July shines as the pinnacle of sunshine, boasting an impressive 429 hours of bright, sunlit days. This peak not only marks the height of summer but also exemplifies a consistent upward trend from the 133 hours recorded in January, showcasing a gradual increase in sunlight as the seasons change. The months leading up to July, particularly May and June, lay a strong foundation with 376 and 412 hours respectively, creating a vibrant atmosphere that sets the stage for July's radiant warmth. Following July, August sees a slight decline to 389 hours, hinting at the transition towards autumn but still emphasizing the summer's lingering embrace. The overall movement from winter's gray to summer's glow encapsulates the charm of Ostrava's climate, making July a month to celebrate sunshine and vitality.

Monthly Sunshine Duration in Ostrava: July Highlighted

The July sunshine duration represents the total number of hours Ostrava experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec133h194h294h328h376h412h429h389h310h262h191h147h
Data source: Ostrava July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ostrava During July

In Ostrava, Czech Republic, July brings a moderate likelihood of sunny weather, with a 40% chance of clear skies. This marks a downturn from June's peak of 51%, indicating that while summer continues, a certain unpredictability might loom. Interestingly, July's likelihood of sun is notably higher compared to the earlier months of the year, reflecting a gentle rise from January's 20% and March's 41%. However, as summer transitions into August, the chance of sun dips slightly to 35%, suggesting a gradual shift as the season progresses. Overall, while July offers a fair opportunity for sunny days, it also teases with occasional clouds, inviting sun-seekers to embrace the warmth while being prepared for the possibility of varying weather.

Percentage of Sunny Days in July in Ostrava

The chart illustrates the percentage of sunny days in Ostrava throughout the year, with July highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Ostrava experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%30%41%34%33%51%40%35%42%50%28%18%
Data source: Ostrava July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ostrava in July

In Ostrava, July shines bright with approximately 15 hours of daylight, a slight dip from June's peak of 16 hours but still basking in the vibrant glow of summer. As the year unfolds, the trend reveals a steady buildup of light from the stark winter months, starting with just 8 hours in January and gradually lengthening until it reaches its zenith just before July. Following the summer solstice, daylight begins to recede, hinting at the approaching autumn, with August bringing 14 hours and September reducing to 12 hours. This ebb and flow of daylight not only marks the changing seasons but also enhances outdoor activities, encouraging residents to soak up the sun while they can.

Average Daylight Hours in Ostrava for July

The chart illustrates the variation in daylight duration in Ostrava throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 38m10h 6m11h 55m13h 47m15h 23m16h 13m15h 47m14h 20m12h 33m10h 42m9h 3m8h 10m
Data source: Ostrava daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Ostrava

In July, the wind in Ostrava tends to be quite gentle, with an average speed of just 2.4 m/s (5 mph). This slight breeze is a continuation of a trend observed through the previous months, particularly in June, where the wind speed dropped notably to 2.3 m/s (5 mph), the calmest of the year. While the summer months generally experience lighter winds, they are often contrasted by a noticeable increase in October, which sees speeds rise to 3.8 m/s (9 mph), signaling the approach of autumn. Thus, July and June highlight a period of tranquility in Ostrava, making them ideal for outdoor activities under the warm summer sun, with the breeze providing just enough refreshment.

Average July Wind Speed in Ostrava

The chart displays monthly wind speed patterns in Ostrava, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.23.53.23.43.62.32.4 m/s2.62.53.83.33.2
Data source: Ostrava July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Ostrava Compares to Other Months

The weather in Ostrava changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Ostrava and find detailed weather information for every month.

Comparing the weather between July and January reveals stark differences. July boasts a much warmer climate, with temperatures ranging from a chilly 7°C (44°F) at night to a scorching maximum of 35°C (95°F) during the day, accompanied by a moderate average temperature of 19°C (67°F). This month also experiences higher humidity at 67%, along with a total precipitation of 92 mm (3.6 in) spread over about 14 days. In contrast, January brings frigid cold, with temperatures plummeting to a minimum of -18°C (0°F) and only reaching a maximum of 11°C (52°F), averaging 0°C (31°F). Despite being drier than July, January has higher humidity at 90% and sees precipitation of 44 mm (1.7 in) over 12 days. For more detailed information about January’s weather, check out Ostrava weather in January.

The weather in July and February presents a stark contrast, reflecting the seasonal extremes experienced in Ostrava. In July, the average temperature reaches a pleasant 19°C (67°F), with highs soaring up to 35°C (95°F) and relatively moderate humidity at 67%. With about 92 mm (3.6 in) of precipitation over approximately 14 days, summer showers can be expected, though they are typically brief.

In contrast, February is characterized by much colder temperatures, averaging just 1°C (34°F), with lows plummeting to -18°C (0°F) depending on the day. While February sees slightly less precipitation at 57 mm (2.2 in) over 12 days, the heightened humidity of 87% contributes to a biting chill in the air. For more detailed information, you can explore Ostrava weather in February. Overall, these two months showcase the dramatic shifts in climate that define Ostrava's winter and summer seasons.

The weather in July and March exhibits a stark contrast in both temperature and precipitation patterns. July boasts a warm climate with average temperatures reaching 19°C (67°F) and highs soaring up to 35°C (95°F), accompanied by 92 mm (3.6 in) of precipitation spread over 14 days. In contrast, March remains quite chilly, with average temperatures languishing at just 4°C (40°F) and a maximum reaching only 20°C (69°F), alongside a lower precipitation level of 52 mm (2.0 in) over 12 days. Additionally, March tends to have higher humidity at 83%, compared to July's 67%. For a closer look at the March climate specifics, you can visit Ostrava weather in March.

When comparing the weather in July and April, a clear contrast is evident. July boasts significantly higher temperatures, with a minimum of 7°C (44°F) rising to an average of 19°C (67°F) and peaking at 35°C (95°F). In contrast, April experiences cooler conditions, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 27°C (80°F) and an average of just 9°C (48°F). Additionally, July sees more rainfall, totaling 92 mm (3.6 in) over 14 days, while April has a lower precipitation level of 60 mm (2.4 in) over 10 days. Interestingly, despite the warmer weather in July, humidity levels are slightly lower at 67%, compared to 76% in April. For more detailed insights on April's weather, visit Ostrava weather in April.

When comparing the weather in July and May, a notable difference in temperature is evident. July boasts a higher average temperature of 19°C (67°F) with maximums reaching up to 35°C (95°F), whereas May has a more moderate average of 13°C (56°F) and maximums peaking at 29°C (84°F). Precipitation levels are somewhat similar, with July recording 92 mm (3.6 in) of rain over 14 days, while May experiences slightly more at 101 mm (4.0 in) over 16 days. Additionally, humidity remains fairly consistent, with July at 67% and May slightly higher at 70%. For a more detailed look at the weather in May, check out Ostrava weather in May.

In comparing the weather between June and July, both months experience relatively mild average temperatures, with June having a minimum of 5°C and a maximum of 32°C, while July sees slightly warmer temperatures, ranging from a minimum of 7°C to a maximum of 35°C. Humidity levels remain high in both months, although July is slightly less humid at 67% compared to June's 71%. Precipitation is also comparable, with June recording 86 mm over 14 days and July slightly higher at 92 mm, also over 14 days. For more details on June's weather, you can check Ostrava weather in June.

July and August showcase a shift in weather patterns, though both months feature similar temperature ranges. In July, temperatures fluctuate from a minimum of 7°C (44°F) to a maximum of 35°C (95°F), with an average of 19°C (67°F). This month sees 92 mm (3.6 in) of precipitation over 14 days and has a humidity level of 67%. In contrast, August experiences slightly milder conditions with a minimum of 7°C (45°F), an average of 20°C (68°F), and a maximum of 33°C (92°F). Precipitation increases to 112 mm (4.4 in) over the same number of days, but humidity drops slightly to 64%. For a more detailed look at August's weather, visit Ostrava weather in August.

The weather in July is characterized by a wider temperature range, with minimums of 7°C (44°F) and maximums soaring up to 35°C (95°F), giving an average of 19°C (67°F). In contrast, September sees cooler temperatures, with minimums dropping to 1°C (34°F), an average of 15°C (59°F), and maximums reaching 30°C (87°F). While July experiences significant rainfall with 92 mm (3.6 in) over 14 days, September has slightly more precipitation at 103 mm (4.1 in) but over just 13 days. Both months share the same humidity level of 67%. For more details on the specifics of September weather, visit Ostrava weather in September.

In July, temperatures in Ostrava can range from a chilly 7°C (44°F) at night to a sizzling 35°C (95°F) during the day, with an average temperature of around 19°C (67°F). The month experiences significant rainfall of about 92 mm (3.6 in) over approximately 14 days, coupled with a moderate humidity level of 67%. In contrast, October brings cooler weather, with temperatures dipping down to a minimum of -2°C (28°F) and reaching a maximum of 24°C (76°F), averaging at 10°C (51°F). While October sees slightly less precipitation at 84 mm (3.3 in) over 11 days, the humidity rises to 83%, making the air feel quite damp. For more detailed information about the weather in October, visit Ostrava weather in October.

July and November present contrasting weather conditions in terms of temperature and precipitation. In July, temperatures range from a minimum of 7°C (44°F) to a scorching maximum of 35°C (95°F), with an average of 19°C (67°F). The month sees a total of 92 mm (3.6 in) of precipitation spread over 14 days, and humidity averages around 67%. In stark contrast, November experiences much colder temperatures, with a minimum of -8°C (17°F) and a maximum of 19°C (66°F), leading to an average of just 6°C (43°F). Precipitation in November is lower, at 49 mm (1.9 in) over 9 days, but humidity rises significantly to 90%. For more details on the specific conditions you can expect in the colder month, see Ostrava weather in November.

July and December in Ostrava present contrasting weather experiences. July boasts a wide temperature range, with minimums of 7°C (44°F) and maximums soaring up to 35°C (95°F), accompanied by an average of 19°C (67°F). It also sees a significant amount of precipitation, totaling 92 mm (3.6 in) over 14 days, with humidity levels around 67%. In stark contrast, December's temperatures drop dramatically, with minimums plunging to -11°C (12°F) and maximums only reaching 14°C (58°F), averaging just 1°C (35°F). This month experiences less precipitation at 68 mm (2.7 in), yet maintains a higher humidity level of 91%. For more details, visit Ostrava weather in December.

Compare Ostrava's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Ostrava

As July arrives in Ostrava, the city experiences a notable shift in weather patterns compared to other months. With maximum temperatures soaring to 35°C (95°F), residents and visitors can expect a taste of summer heat, while the average temperature sits comfortably at 19°C (67°F). However, this warm weather is often tempered by significant humidity levels and 14 days of rainfall, contributing to the month’s overall precipitation total of 92 mm (3.6 in). This wet and warm climate makes July a unique month in Ostrava's weather calendar, balancing the joys of summer activities with the reality of summer showers. For more insights on Ostrava's weather throughout the year, check out Ostrava Climate.